package com.frank.demo.java;

//-server -Xcomp -XX:+UnlockDiagnosticVMOptions -XX:+PrintAssembly -XX:CompileCommand=compileonly,*CodeGen.getInstance
public class CodeGen {

    private static volatile CodeGen instance = null;

    public static CodeGen getInstance() {
        if (instance == null) {
            instance = new CodeGen();
        }

        return instance;
    }

    public static void main(String[] args) {
        CodeGen.getInstance();
    }
}
